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Phone	ZTE Speed	Palm Treo 600 (CDMA)	Sony Ericsson K850	Sony Ericsson TM506	Motorola Flipside
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	?	2.2" diag. 4 : 3	2.2" diag. 4 : 3	3.1" diag. 5 : 3
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	60 Hz
Battery	2,000 mAh	?	?	950 mAh	1,150 mAh
Processor	1.2 GHz Qualcomm Snapdragon 410 MSM8916	?	?	?	720 MHz TI OMAP 3410
RAM	1 GB	?	?	?	?
Storage	8 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	Yes	5 megapixel	2 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	?	QVGA (320 x 240)	CIF (352 x 288)
Front Camera	2 megapixel	-	-	-	-
Weight	4.8 oz (136g)	6.2 oz (176g)	4.2 oz (119g)	3.56 oz (101g)	5.11 oz (145g)
Dimensions	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	3.74" x 1.86" x 0.7" (95 x 47 x 17.8 mm)	4.31" x 2.26" x 0.59" (109 x 57 x 15 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slide
Platform / OS	Android	Palm OS	(proprietary)	(proprietary)	Android
Network Bands	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	1xRTT	HSDPA 3.6	HSDPA 3.6	HSPA 7.2
Features
GPS / Location	n/a	n/a	-	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	-	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	-	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	n/a	-	-	n/a
USB	Yes Micro-USB	Yes	Yes	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	-	Yes
Contacts
Picture ID	n/a	n/a	Yes	Yes	n/a
Ringer ID	n/a	n/a	Yes	Yes	n/a
Voice Dialing	n/a	n/a	Yes	Yes	n/a
Customization
Custom Graphics	n/a	n/a	Yes	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	Yes	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	-	n/a
External Antenna Jack	n/a	n/a	-	Yes	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	Yes
Touch Screen	Yes Capacitive	Yes	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	Yes	Yes	n/a
Instant Messaging	n/a	n/a	-	Yes	n/a
MMS	n/a	n/a	Yes	Yes	n/a
Text Messaging Templates	n/a	n/a	Yes	Yes	n/a
Music
FM Radio	-	-	Yes	-	Yes
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	n/a	Yes	Yes	n/a
Photo & Video
Video Calling	n/a	n/a	Yes *	-	n/a
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	Yes	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	Yes	Yes	n/a
Voice Memo	n/a	n/a	Yes	Yes	n/a
Software
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	Yes	Yes	n/a
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	n/a	-	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Speed	Palm Treo 600 (CDMA)	Sony Ericsson K850	Sony Ericsson TM506	Motorola Flipside
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	ZTE Speed	Palm Treo 600 (CDMA)	Sony Ericsson K850	Sony Ericsson TM506	Motorola Flipside